Abstract
AbstractWe applied a laser surface melting treatment to AISI M2 high‐speed steel and studied the resulting surface characteristics (microstructure) and mechanical behavior (hardness and wear performance). The steel was treated using an Nd:YAG continuous‐wave laser with different scanning speeds and power densities. The influence of the laser processing parameters on the melted surface layer was studied. The microstructure was characterized using optical microscopy, scanning electron microscopy and X‐ray diffraction. We also assessed the effects of overlapping on the microstructure and the mechanical properties of the wear‐resistant surface. Copyright © 2010 John Wiley & Sons, Ltd.
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